WO1980000683A1 - Steering mechanism having a shock proof central part for a motor vehicle - Google Patents

Steering mechanism having a shock proof central part for a motor vehicle Download PDF

Info

Publication number
WO1980000683A1
WO1980000683A1 PCT/EP1979/000075 EP7900075W WO8000683A1 WO 1980000683 A1 WO1980000683 A1 WO 1980000683A1 EP 7900075 W EP7900075 W EP 7900075W WO 8000683 A1 WO8000683 A1 WO 8000683A1
Authority
WO
WIPO (PCT)
Prior art keywords
coupling
steering wheel
steering
steering device
coupling elements
Prior art date
Application number
PCT/EP1979/000075
Other languages
German (de)
French (fr)
Inventor
B Pilatzki
Original Assignee
B Pilatzki
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by B Pilatzki filed Critical B Pilatzki
Priority to BR7908832A priority Critical patent/BR7908832A/en
Publication of WO1980000683A1 publication Critical patent/WO1980000683A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/04—Hand wheels
    • B62D1/10—Hubs; Connecting hubs to steering columns, e.g. adjustable
    • B62D1/105—Non-rotatable hubs, e.g. the central part of the steering wheel not rotating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K37/00—Dashboards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
    • B60R21/05—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings associated with the steering wheel, steering hand lever or steering column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/77—Instrument locations other than the dashboard
    • B60K2360/782—Instrument locations other than the dashboard on the steering wheel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20207—Multiple controlling elements for single controlled element
    • Y10T74/20256—Steering and controls assemblies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20732—Handles
    • Y10T74/20834—Hand wheels

Definitions

  • the invention relates to a steering device for motor vehicles with a steering wheel carried by a steering spindle and with a baffle pot in which display instruments and / or operating elements are arranged and which is fixed and - seen from the driver - in front of the driver Steering wheel spokes is arranged within the steering wheel.
  • a steering device of this type is known from DE-OS 21 31 902.
  • the impact pot arranged in the steering wheel is firmly connected to a vehicle-fixed, non-rotatable part of the vehicle and the steering wheel is coupled to the steering spindle via a planetary gear.
  • this known steering device has the advantage that the impact pot with its display instruments and operating elements always remains fixed to the vehicle and does not rotate together with the steering wheel, it has the serious disadvantage that the technical outlay is relatively great and that the required operational safety is not guaranteed. It cannot be ruled out that in particular faults in the planetary gear, which couples the steering wheel to the steering spindle, occur.
  • the present invention is based on the object of providing a steering device which avoids the disadvantages of the known steering device and which, despite the low technical outlay, is highly reliable and easy to install.
  • the steering wheel is rigidly fastened to the steering spindle and in that the impact pot can be coupled to a vehicle-fixed component via at least two movable coupling elements which can be moved in this way by a control part connected to the steering wheel are that at least one coupling element is in the locking position, while another coupling element is movable out of the locking position for the passage of a steering wheel spoke.
  • the steering wheel is always rigidly connected to the steering spindle via its spokes.
  • the impact pot mounted in the steering wheel nevertheless does not rotate with the steering wheel because one of the coupling elements locks the impact pot against a component that is fixed to the vehicle and thus holds it in place.
  • the coupling elements are expediently parts which engage in recesses, such as bolts, pins, balls, bolts or the like, which are displaceably or * pivotably guided and which can be moved by the control part connected to the steering spindle.
  • recesses such as bolts, pins, balls, bolts or the like
  • elements can also be used which produce a coupling by friction.
  • the spokes of the steering wheel can also serve as the control part, so that when a spoke passes a coupling element it is brought directly from its coupling position by this spoke and, after passing through the spoke, is pressed back into the locking position by a spring, for example.
  • the displaceable or pivotable coupling elements can be arranged in the impact pot or on a part fixed to the vehicle.
  • the coupling elements can be pressed by springs against the cam track of a control part, which moves the coupling elements out of their locking position against the force of a spring when passing through a spoke.
  • the coupling elements can also be used by control. parts are moved, which move the coupling elements both in the locking position and in the unlocking position. In this case, the coupling elements are engaged by the cam track of the control part, for example the outer edge of a control disk.
  • the movable coupling elements and their guide and control parts can be designed in such a way that faults cannot occur, it can be expedient to design these parts in such a way that the coupling elements are pushed away from the spokes of the steering wheel if they are not the control parts have been moved into the unlocked position.
  • this device can also be attached to already existing vehicles with little effort.
  • the information for the display instruments and / or the operating elements is advantageously transmitted wirelessly.
  • electronic transmitting and electronic receiving units are arranged which transmit the information electromagnetically or by means of light or sound waves.
  • a printed circuit can be attached to the back of the elastic or resilient baffle
  • the information can also be transmitted via slip rings or the like, in particular also using pulse-controlled transmitting and receiving devices.
  • 1 is a plan view of a steering wheel with an impact pot
  • an impact pot 2 is arranged within the steering wheel 1, which has control elements 3 and display instruments 4 on its side facing the vehicle driver, which are used in an impact wall 5.
  • the baffle 5 consists of a resilient material and the baffle 2 is filled with cushioning material.
  • the operating elements 3 for example for switching on the light, the horn, the windshield wiper, the direction indicator and the like, can be designed as sensor buttons and take up little space.
  • the impact pot 2 is mounted and held on the steering wheel hub 6 via roller bearings or plain bearings.
  • the steering wheel hub 6 is rigidly connected to the steering spindle 7.
  • OMPI,. VIPO * bound which in turn is rotatably mounted in the steering column 8.
  • a fairing 9 surrounds the steering wheel hub 6 and the upper part of the steering spindle 7 and the steering column 8.
  • the steering wheel hub 6 is connected to the steering wheel 1 via spokes 10. So that the baffle 2 does not turn when the steering wheel 1 rotates, the baffle is held by movable coupling elements 11 which couple the baffle 2 to a part fixed to the vehicle, namely the steering column 8.
  • the coupling elements 11 in FIG. 2 are designed as displaceable pins or bolts, which are guided displaceably in guide bodies 13 and which are moved into an unlocking position and into the locking position by a control disk 12 working in the axial direction. 2 shows the lower coupling pin 11 in the locking or coupling position.
  • the upper coupling pin 11 engages in a recess 14 located at the bottom 15 of the impact pot 2.
  • the upper coupling pin 11 is axially displaced by the cam track 16 of the control disk 12 so far that it clears the way for the passage of the upper spoke 10.
  • the movable coupling elements 11 are radially offset from the spokes 10 such that a coupling element 11 is always in the coupling position.
  • the bolt-shaped coupling elements 11, which can be moved essentially axially to the steering spindle 7, are moved by the control disk 12 both into the coupling position and into the decoupling position.
  • cam track 16 engages in the recesses 17 of the coupling elements on the edge of the control disk 12.
  • a transmitter and receiver electronics 18 are arranged in the baffle 2, which cooperates with a transmitter and receiver electronics 19 which is arranged in the vicinity of the baffle 2 on a part 8 fixed to the vehicle.
  • a transmitter and receiver electronics 19 which is arranged in the vicinity of the baffle 2 on a part 8 fixed to the vehicle.
  • the operating elements 3 and display instruments 4 can be connected to the receiver and transmitter electronics 18 in the impact pot 2 via a printed circuit arranged on the rear side of the impact wall 5.
  • the transmitter and receiver electronics 19 on the vehicle-fixed part 8 are connected via a cable harness 24 to the various electrical consumers and measuring points.
  • the coupling elements 11 are arranged at the free ends of pivotable holding members 20 which are fastened to the part 8 which is fixed to the vehicle.
  • the coupling elements 11 are held in the coupling position by return springs. Since the holding members 20 are leaf springs in the exemplary embodiment according to FIG. 3, no additional springs are therefore required in order to hold the coupling elements 11 in the coupling position.
  • a control disk 12 is fastened on the steering spindle 7 and presses the pivotable holding members 20 radially outward when a spoke 10 passes a coupling point.
  • 6 cams can also be attached to the steering wheel hub. be ordered, which move the coupling elements into the unlocking position during the passage of the spokes.
  • the coupling elements 11 are provided with run-up surfaces 21 which protrude into the range of movement of the spokes 10.
  • a spring 22 presses the coupling member 11 into a groove-shaped recess 14 arranged on the bottom 15 of the impact pot 2. If a spoke 10 wants to pass through this coupling point, this spoke 10 presses on a run-up surface 21 of the coupling element 11 and presses the coupling element 11 against the action of the spring 22 in the Entkupplur.gswolf.
  • the coupling elements 11 can be arranged both on the part 8 fixed to the vehicle or in the impact pot 2. Instead of a positive engagement of the coupling elements 11, a frictional engagement of the coupling elements 11 can also be provided. Furthermore, the coupling elements 11 can also cooperate with elastic or corrugated or otherwise roughened counter surfaces.
  • the coupling element 11, the return spring, the run-up surface 21 and the pivotable holding member are formed by a curved leaf spring which automatically sets itself into the locking position and which is supported by the spokes 10 of the steering wheel " 1 is pushed out of its coupling position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Steering Controls (AREA)

Abstract

The mechanism comprises a steering wheel mounted on the steering column as well as a shock proof central part on which are arranged the indicating instruments and the driving elements; the central part which may be seen by the driver is arranged within the steering wheel before its spokes. In order to prevent the central part (2) from rotating with steering wheel which is fixed to the steering shaft (7) by means of at least one spoke (10), said center part is coupled with a fixed construction element of the vehicule (8) through at least two coupling devices (11); the coupling devices move with one portion (10, 12) connected to the steering wheel (1); at least one coupling device (11) is in the coupling position, while the other coupling device is allowed to come out of the coupling position by means of a passage provided in one spoke (10) of the steering wheel.

Description

Lenkvorrichtung für Kraf fahrzeuge mit einem Pralltopf Steering device for motor vehicles with an impact pot
Die Erfindung bezieht sich auf eine Lenkvorrichtung für Kraftfahrzeuge mit einem von einer Lenkspindel ge¬ tragenen Lenkrad und mit einem Pralltopf, in dem An¬ zeigeinstrumente und bzw. Bedienungselemente angeord¬ net sind und der feststehend sowie - vom Fahrer aus ge¬ sehen - vor den Lenkradspeichen innerhalb des Lenk¬ rades angeordnet ist.The invention relates to a steering device for motor vehicles with a steering wheel carried by a steering spindle and with a baffle pot in which display instruments and / or operating elements are arranged and which is fixed and - seen from the driver - in front of the driver Steering wheel spokes is arranged within the steering wheel.
Eine Lenkvorrichtung dieser Art ist bekannt aus der DE-OS 21 31 902. Bei dieser bekannten Vorrichtung ist der im Lenkrad angeordnete Pralltopf mit einem fahrzeugfesten, nicht drehbaren Teil des Fahrzeuges fest verbunden und das Lenkrad ist über ein Planeten¬ getriebe mit der Lenkspindel gekuppelt. Diese bekannte Lenkvorrichtung hat zwar den Vorteil, daß der Prall¬ topf mit seinen Anzeigeinstrumenten und Bedienungsele¬ menten stets fahrzeugfest bleibt und sich nicht zusam¬ men mit dem Lenkrad mitdreht, sie hat aber den schwer¬ wiegenden Nachteil, daß der technische Aufwand relativ groß ist und daß die erforderliche Betriebssicherheit nicht gewährleistet ist. Es ist nicht auszuschließen, daß insbesondere Störungen im Planetengetriebe, wel¬ ches das Lenkrad mit der Lenkspindel kuppelt, auftre¬ ten. Der vorliegenden Erfindung liegt die Aufgabezu¬ grunde, eine Lenkvorrichtung zu schaffen, welche die Nachteile der bekannten Lenkvorrichtung vermeidet und die trotz geringen technischen Aufwandes im hohen Maße betriebssicher und leicht montierbar ist.A steering device of this type is known from DE-OS 21 31 902. In this known device, the impact pot arranged in the steering wheel is firmly connected to a vehicle-fixed, non-rotatable part of the vehicle and the steering wheel is coupled to the steering spindle via a planetary gear. Although this known steering device has the advantage that the impact pot with its display instruments and operating elements always remains fixed to the vehicle and does not rotate together with the steering wheel, it has the serious disadvantage that the technical outlay is relatively great and that the required operational safety is not guaranteed. It cannot be ruled out that in particular faults in the planetary gear, which couples the steering wheel to the steering spindle, occur. The present invention is based on the object of providing a steering device which avoids the disadvantages of the known steering device and which, despite the low technical outlay, is highly reliable and easy to install.
Diese Aufgabe wird erfindungsgemäß dadurch ge¬ löst, daß das Lenkrad starr an der Lenkspindel be¬ festigt ist und daß der Pralltopf mit einem fahrzeug¬ festen Bauteil über mindestens zwei bewegliche Kupp - lungselemente kuppelbar ist, die derart von einem mit dem Lenkrad verbundenen Steuerteil bewegbar sind, daß mindestens ein Kupplungselement in Arretierstellung steht, während zum Durchgang einer Lenkradspeiche ein anderes Kupplungselement aus der Arretierstellung heraus bewegbar ist.This object is achieved according to the invention in that the steering wheel is rigidly fastened to the steering spindle and in that the impact pot can be coupled to a vehicle-fixed component via at least two movable coupling elements which can be moved in this way by a control part connected to the steering wheel are that at least one coupling element is in the locking position, while another coupling element is movable out of the locking position for the passage of a steering wheel spoke.
Bei der erfindungsgemäßen Vorrichtung ist das Lenk¬ rad über seine Speichen stets starr mit der Lenkspindel verbunden. Der im Lenkrad gelagerte Pralltopf dreht sich dennoch nicht mit dem Lenkrad, weil eines der Kupplungselemente den Pralltopf gegenüber einem fahr¬ zeugfesten Bauteil arretiert und somit festhält.In the device according to the invention, the steering wheel is always rigidly connected to the steering spindle via its spokes. The impact pot mounted in the steering wheel nevertheless does not rotate with the steering wheel because one of the coupling elements locks the impact pot against a component that is fixed to the vehicle and thus holds it in place.
Die Kupplungselemente sind zweckmäßigerweise in Ausnehmungen eingreifende Teile, wie Bolzen, Stifte, Kugeln, Riegel oder dergleichen, die verschiebbar oder* verschwenkbar geführt sind und die von dem mit der Lenkspindel verbundenen Steuerteil bewegbar sind. Statt formschlüssig arbeitende Kupplungselemente kön¬ nen aber auch Elemente benutzt werden, die eine Kupplung durch Reibschluß herstellen. Als Steuer- teil können auch die Speichen des Lenkrades dienen, so daß ein Kupplungselement beim Passieren einer Speiche unmittelbar von dieser Speiche aus ihrer Kupplungs- position gebracht wird und nach Passieren der Speiche beispielsweise von einer Feder wieder in die Arretier- Stellung gedrückt wird. - 3 -The coupling elements are expediently parts which engage in recesses, such as bolts, pins, balls, bolts or the like, which are displaceably or * pivotably guided and which can be moved by the control part connected to the steering spindle. Instead of form-fitting coupling elements, however, elements can also be used which produce a coupling by friction. The spokes of the steering wheel can also serve as the control part, so that when a spoke passes a coupling element it is brought directly from its coupling position by this spoke and, after passing through the spoke, is pressed back into the locking position by a spring, for example. - 3 -
Die verschiebbaren oder verschwenkbaren Kupplungs¬ elemente können im Pralltopf angeordnet sein oder aber an einem fahrzeugfesten Teil. Die Kupplungselemente können von Federn an die Kurvenbahn eines Steuerteils gedrückt werden, welche die Kupplungselemente gegen die Kraft einer Feder beim Passieren einer Speiche aus ihrer Arretierstellung herausbewegt.The displaceable or pivotable coupling elements can be arranged in the impact pot or on a part fixed to the vehicle. The coupling elements can be pressed by springs against the cam track of a control part, which moves the coupling elements out of their locking position against the force of a spring when passing through a spoke.
Die Kupplungselemente können aber auch von Steuer- . teilen bewegt werden, welche die Kupplungselemente so- wohl in die Arretierstellung als auch in die Entrie¬ gelungsstellung bewegen. In diesem Fall werden die Kupplungselemente von der Kurvenbahn des Steuerteils, zum Beispiel der äußere Rand einer Steuerscheibe, ein¬ greift. Obgleich die beweglichen Kupplungselemente und de¬ ren Führungs- und Steuerteile so ausgebildet werden können, daß Störungen nicht auftreten können, kann es zweckmäßig sein, diese Teile so auszulegen, daß die Kupplungselemente von den Speichen des Lenkrades weg- gedrückt werden, falls sie nicht von den Steuerteilen in die Entriegelungsposition bewegt worden sind.The coupling elements can also be used by control. parts are moved, which move the coupling elements both in the locking position and in the unlocking position. In this case, the coupling elements are engaged by the cam track of the control part, for example the outer edge of a control disk. Although the movable coupling elements and their guide and control parts can be designed in such a way that faults cannot occur, it can be expedient to design these parts in such a way that the coupling elements are pushed away from the spokes of the steering wheel if they are not the control parts have been moved into the unlocked position.
Weil bei der erfindungsgemäßen Lenkvorrichtung das Lenkrad fest mit der Lenkspindel verbunden bleibt, kann diese Vorrichtung auch mit geringem Aufwand an bereits vorhandene Fahrzeuge angebracht werden. Vor¬ teilhafterweise erfolgt die Übertragung der Informa¬ tionen für die Anzeigeinstrumente und bzw. oder die Be- dienungselemente drahtlos. Aus diesem Grunde sind einer¬ seits im Pralltopf und andererseits an einem fahrzeug- festen Bauteil, insbesondere in Nähe des Pralltopfes, elektronische Sende- und elektronische Empfangseinhei¬ ten angeordnet, welche die Informationen elektromag¬ netisch oder mittels Licht- oder Schallwellen übertra¬ gen. An der Rückseite der elastischen bzw. nachgiebi- gen Prallwand kann eine gedruckte Schaltung angebrachtBecause in the steering device according to the invention the steering wheel remains firmly connected to the steering spindle, this device can also be attached to already existing vehicles with little effort. The information for the display instruments and / or the operating elements is advantageously transmitted wirelessly. For this reason, on the one hand in the baffle pot and on the other hand on a vehicle-fixed component, in particular in the vicinity of the baffle pot, electronic transmitting and electronic receiving units are arranged which transmit the information electromagnetically or by means of light or sound waves. A printed circuit can be attached to the back of the elastic or resilient baffle
OI.ΪPIOI.ΪPI
/ vIPO _. , sein, welche die in der Prallwand angeordneten An¬ zeigeinstrumente und Bedienungselemente bzw. Sensoren mit der im Pralltopf angeordneten elektronischen Sen¬ de- und Empfangseinheit verbindet. Die Übertragung der Information kann aber auch über Schleifringe oder dergleichen erfolgen, insbe¬ sondere auch unter Verwendung impulsgesteuerter Sen¬ de- und Empfangsgeräte./ vIPO _. . be, which connects the display instruments and operating elements or sensors arranged in the baffle to the electronic transmission and reception unit arranged in the baffle. However, the information can also be transmitted via slip rings or the like, in particular also using pulse-controlled transmitting and receiving devices.
Weitere Merkmale der Erfindung ergeben sich aus den Patentansprüchen.Further features of the invention emerge from the patent claims.
In der folgenden Beschreibung werden Ausführungs¬ beispiele der Erfindung unter Bezugnahme auf die Zeich¬ nungen näher erläutert. Die Zeichnungen zeigen inIn the following description, exemplary embodiments of the invention are explained in more detail with reference to the drawings. The drawings show in
Fig. 1 eine Draufsicht auf ein Lenkrad mit Prall- topf,1 is a plan view of a steering wheel with an impact pot,
Fig. 2 eine Schnittansicht der erfindungsgemäßen Lenkvorrichtung,2 is a sectional view of the steering device according to the invention,
Fig. 3, 4 und 5 unterschiedliche Ausführungsfor¬ men von Kupplungselementen und deren Steuerteilen. Bei der Lenkvorrichtung nach den Fig. 1 und 2 ist innerhalb des Lenkrades 1 ein Pralltopf 2 angeordnet, der an seiner dem Fahrzeugführer zugewandten Seite Bedienungselemente 3 und Anzeigeinstrumente 4 aufweist, die in einer Prallwand 5 eingesetzt sind. Die Prall- wand 5 besteht aus einem nachgiebigen Material und der Pralltopf 2 ist mit polsterndem Material ausge¬ füllt.3, 4 and 5 different embodiments of coupling elements and their control parts. In the steering device according to FIGS. 1 and 2, an impact pot 2 is arranged within the steering wheel 1, which has control elements 3 and display instruments 4 on its side facing the vehicle driver, which are used in an impact wall 5. The baffle 5 consists of a resilient material and the baffle 2 is filled with cushioning material.
Die Bedienungselemente 3, zum Beispiel zum Ein¬ schalten des Lichtes, der Hupe, des Scheibenwischers, der Richtungsanzeige und dergleichen können als Sen¬ sortasten ausgebildet sein und nehmen nur geringen Raum in Anspruch.The operating elements 3, for example for switching on the light, the horn, the windshield wiper, the direction indicator and the like, can be designed as sensor buttons and take up little space.
Der Pralltopf 2 ist über Wälzlager oder Gleitla¬ ger auf der Lenkradnabe 6 gelagert und gehalten. Die Lenkradnabe 6 ist starr mit der Lenkspindel 7 ver-The impact pot 2 is mounted and held on the steering wheel hub 6 via roller bearings or plain bearings. The steering wheel hub 6 is rigidly connected to the steering spindle 7.
OMPI ,. VIPO * bunden, die ihrerseits im Lenkstock 8 drehbar gela¬ gert ist. Eine Verkleidung 9 umgibt die Lenkradna¬ be 6 und den oberen Teil der Lenkspindel 7 und des Lenkstockes 8. Die Lenkradnabe 6 ist über Speichen 10 mit dem Lenkrad 1 verbunden. Damit der Pralltopf 2 beim Drehen des Lenkrades 1 sich nicht mitdreht, wird der Pralltopf von beweglichen Kupplungselementen 11 festgehalten, welche den Pralltopf 2 mit einem fahr- zeugfesten Teil, nämlich dem Lenkstock 8 kuppeln. Die Kupplungselemente 11 sind in Fig. 2 als ver¬ schiebbare Stifte oder Bolzen ausgebildet, die in Führungskörpern 13 verschiebbar geführt sind und die von einer in axialer Richtung arbeitenden Steu- erscheibe 12 in eine Entriegelungsstellung und in die Arretierstellung bewegt werden. In Fig. 2 be¬ findet sich d^r untere Kupplungsstift 11 in der Arretier- oder Kupplungsstellung. Er greift dabei in eine am Boden 15 des Pralltopfes 2 befindliche Ausnehmung 14 ein. Der obere Kupplungsstift 11 ist dagegen von der Kurvenbahn 16 der Steuerscheibe 12 so weit axial verschoben, daß er den Weg für den Durchgang der oberen Speiche 10 freigibt. Die be¬ weglichen Kupplungselemente 11 sind derart zu den Speichen 10 radial versetzt angeordnet, daß stets ein Kupplungselement 11 in Kupplungsstellung steht. Die im wesentlichen axial zur Lenkspindel 7 beweg¬ baren bolzenför igen Kupplungselemente 11 werden von der Steuerscheibe 12 sowohl in die Kupplungsstel- lung bewegt als auch in die Entkupplungsstellung.OMPI,. VIPO * bound, which in turn is rotatably mounted in the steering column 8. A fairing 9 surrounds the steering wheel hub 6 and the upper part of the steering spindle 7 and the steering column 8. The steering wheel hub 6 is connected to the steering wheel 1 via spokes 10. So that the baffle 2 does not turn when the steering wheel 1 rotates, the baffle is held by movable coupling elements 11 which couple the baffle 2 to a part fixed to the vehicle, namely the steering column 8. The coupling elements 11 in FIG. 2 are designed as displaceable pins or bolts, which are guided displaceably in guide bodies 13 and which are moved into an unlocking position and into the locking position by a control disk 12 working in the axial direction. 2 shows the lower coupling pin 11 in the locking or coupling position. It engages in a recess 14 located at the bottom 15 of the impact pot 2. The upper coupling pin 11, however, is axially displaced by the cam track 16 of the control disk 12 so far that it clears the way for the passage of the upper spoke 10. The movable coupling elements 11 are radially offset from the spokes 10 such that a coupling element 11 is always in the coupling position. The bolt-shaped coupling elements 11, which can be moved essentially axially to the steering spindle 7, are moved by the control disk 12 both into the coupling position and into the decoupling position.
Dazu greift die Kurvenbahn 16 am Rand der Steuerschei¬ be 12 in Ausnehmungen 17 der Kupplungselemente.For this purpose, the cam track 16 engages in the recesses 17 of the coupling elements on the edge of the control disk 12.
Es ist aber auch möglich, die Kupplungselemen¬ te 11 nur einseitig an eine Kurvenscheibe anliegen zu lassen, wenn diese Kupplungselemente durch Rück- stellfedern belastet sind, die die Kupplungselemente in die Kurvenbahn der Steuerscheibe 12 drücken.However, it is also possible to have the coupling elements 11 rest on one side of a cam plate only if these coupling elements are are loaded springs that press the coupling elements into the cam track of the control disc 12.
Wie Fig. 2 zeigt, ist im Pralltopf 2 eine Sende- und Empfängerelektronik 18 angeordnet, die mit einer Sende- und Empfängerelektronik 19 zusammenarbeitet, welche in Nähe des Pralltopfes 2 an einem fahrzeug¬ festen Teil 8 angeordnet ist. Auf diese Weise ge¬ lingt es, die Bedienungselemente 3 und Anzeigeinstru¬ mente 4 drahtlos mit den elektrischen Verbrauchern und Meßstellen zu verbinden. Diese drahtlose Über¬ tragung der Informationen hat zur Folge, daß der Mon¬ tageaufwand des innerhalb des Lenkrades angeordneten Pralltopfes gering ist.As shown in FIG. 2, a transmitter and receiver electronics 18 are arranged in the baffle 2, which cooperates with a transmitter and receiver electronics 19 which is arranged in the vicinity of the baffle 2 on a part 8 fixed to the vehicle. In this way it is possible to wirelessly connect the operating elements 3 and display instruments 4 to the electrical consumers and measuring points. The result of this wireless transmission of the information is that the assembly effort of the impact pot arranged inside the steering wheel is low.
Die Bedienungselemente 3 und Anzeigeinstrumente 4 können über eine auf der Rückseite der Prallwand 5 angeordnete aufgedruckte Schaltung mit der Empfänger¬ und Sendeelektronik 18 im Pralltopf 2 verbunden sein. Die Sende- und Empfängerelektronik 19 am fahrzeug¬ festen Teil 8 ist über einen Kabelbaum 24 mit den ver- Ξchiedenen elektrischen Verbrauchern und Meßstellen verbunden.The operating elements 3 and display instruments 4 can be connected to the receiver and transmitter electronics 18 in the impact pot 2 via a printed circuit arranged on the rear side of the impact wall 5. The transmitter and receiver electronics 19 on the vehicle-fixed part 8 are connected via a cable harness 24 to the various electrical consumers and measuring points.
Bei dem Ausführungsbeispiel nach Fig. 3 sind die Kupplungselemente 11 an den freien Enden von aus¬ schwenkbaren Haltegliedern 20 angeordnet, die am fahr- zeugfesten Teil 8 befestigt sind. Durch Rückstell¬ federn werden die Kupplungselemente 11 in Kupplungs¬ stellung gehalten. Da bei dem Ausführungsbeispiel nach Fig. 3 die Halteglieder 20 Blattfedern sind, sind also keine zusätzlichen Federn erforderlich,um die Kupplungselemente 11 in Kupplungsstellung zu halten. Auf der Lenkspindel 7 ist eine Steuerschei- be 12 befestigt, welche die ausschwenkbaren Halteglie¬ der 20 radial nach außen drückt, wenn eine Speiche 10 eine Kupplungsstelle passiert. Anstelle der Steuer- Scheibe 12 können auch an der Lenkradnabe 6 Nocken an- geordnet sein, welche beim Durchgang der Speichen die Kupplungselemente in die Entriegelungsstellung bewegen.In the exemplary embodiment according to FIG. 3, the coupling elements 11 are arranged at the free ends of pivotable holding members 20 which are fastened to the part 8 which is fixed to the vehicle. The coupling elements 11 are held in the coupling position by return springs. Since the holding members 20 are leaf springs in the exemplary embodiment according to FIG. 3, no additional springs are therefore required in order to hold the coupling elements 11 in the coupling position. A control disk 12 is fastened on the steering spindle 7 and presses the pivotable holding members 20 radially outward when a spoke 10 passes a coupling point. Instead of the control disk 12, 6 cams can also be attached to the steering wheel hub. be ordered, which move the coupling elements into the unlocking position during the passage of the spokes.
Bei dem Ausführungsbeispiel nach Fig. 4 sind die Kupplungselemente 11 mit Auflaufflächen 21 ver¬ sehen, die in den Bewegungsbereich der Speichen 10 ragen. In dem dargestellten Kupplungszustand drückt eine Feder 22 das Kupplungsglied 11 in eine am Boden 15 des Pralltopfes 2 angeordnete rillenför ige Aus- nehmung 14. Wenn eine Speiche 10 diese Kupplungsstel¬ le passieren will, dann drückt diese Speiche 10 auf eine Auflauffläche 21 des Kupplungselementes 11 und drückt das Kupplungselement 11 gegen die Wirkung der Feder 22 in die Entkupplur.gsstellung. Die Kupplungs- elemente 11 können sowohl am fahrzeugfesten Teil 8 oder aber auch im Pralltopf 2 angeordnet sein. An¬ stelle eines formschlüssigen Eingriffes der Kupp¬ lungselemente 11 kann auch ein Reibschluß der Kupp¬ lungselemente 11 vorgesehen sein. Ferner können auch die Kupplungselemente 11 mit elastischen oder ge¬ riffelten oder sonstwie aufgerauhten Gegenflächen zu¬ sammenarbeiten.In the exemplary embodiment according to FIG. 4, the coupling elements 11 are provided with run-up surfaces 21 which protrude into the range of movement of the spokes 10. In the coupling state shown, a spring 22 presses the coupling member 11 into a groove-shaped recess 14 arranged on the bottom 15 of the impact pot 2. If a spoke 10 wants to pass through this coupling point, this spoke 10 presses on a run-up surface 21 of the coupling element 11 and presses the coupling element 11 against the action of the spring 22 in the Entkupplur.gsstellung. The coupling elements 11 can be arranged both on the part 8 fixed to the vehicle or in the impact pot 2. Instead of a positive engagement of the coupling elements 11, a frictional engagement of the coupling elements 11 can also be provided. Furthermore, the coupling elements 11 can also cooperate with elastic or corrugated or otherwise roughened counter surfaces.
Bei dem Ausführungsbeispiel nach Fig. 5 wird das Kupplungselement 11, die Rückstellfeder, die Auflauf- fläche 21 und das verschwenkbare Halteglied von ei¬ ner gebogenen Blattfeder gebildet, die sich selbst¬ tätig in Arretierstellung stellt und die von den Speichen 10 des Lenkrades "1 aus ihrer Kupplungsstel¬ lung herausgedrückt wird. In the exemplary embodiment according to FIG. 5, the coupling element 11, the return spring, the run-up surface 21 and the pivotable holding member are formed by a curved leaf spring which automatically sets itself into the locking position and which is supported by the spokes 10 of the steering wheel " 1 is pushed out of its coupling position.

Claims

- s -P A T E N T A N S P R Ü C H E : - s -PATENT REQUESTS:
1. Lenkvorrichtung für Kraftfahrzeuge mit einem von einer Lenkspindel getragenen Lenkrad und mit einem Pralltopf, in dem Anzeigeinstrumente und bzw. oder Bedienungselemente angeordnet sind und der festste¬ hend sowie - vom Fahrer aus gesehen - vor den Lenk¬ radspeichen innerhalb des Lenkrades angeordnet ist, dadurch gekennzeichnet, daß das Lenkrad (1) starr an der Lenkspindel (7) befestigt ist und der Pralltopf (2) über mindestens zwei bewegliche Kupplungselemente (11) mit einem fahrzeugfesten Bauteil (8) kuppelbar ist, die der¬ art von einem mit dem Lenkrad (1) verbundenen Steu¬ erteil (10,12) bewegbar sind, daß mindestens ein Kupplungselement (11) in Kupplungsstellung steht, während zum Durchlaß einer Lenkradspeiche (10) ein anderes Kupplungselement (11) aus der KupplungsStel¬ lung heraus bewegt ist.1. Steering device for motor vehicles with a steering wheel carried by a steering spindle and with a baffle in which display instruments and / or operating elements are arranged and which is fixed and - seen from the driver - in front of the steering wheel spokes within the steering wheel, characterized in that the steering wheel (1) is rigidly attached to the steering spindle (7) and the impact pot (2) can be coupled to a vehicle-mounted component (8) via at least two movable coupling elements (11), which is of such a type with the Control part (10, 12) connected to the steering wheel (1) can be moved such that at least one coupling element (11) is in the coupling position, while another coupling element (11) is moved out of the coupling position to pass a steering wheel spoke (10).
2. Lenkvorrichtung nach Anspruch 1, dadurch gekenn¬ zeichnet, daß die beweglichen Kupplungselemente (11) durch Formschluß kuppelbar sind.2. Steering device according to claim 1, characterized gekenn¬ characterized in that the movable coupling elements (11) can be coupled by positive locking.
3. Lenkvorrichtung nach Anspruch 1, dadurch gekenn- zeichnet, daß die beweglichen Kupplungselemente (11) durch Reibschluß kuppelbar sind.3. Steering device according to claim 1, characterized in that the movable coupling elements (11) can be coupled by friction.
4. Lenkvorrichtung nach einem der Ansprüche 1 bis 3, gekennzeichnet durch die beweglichen Kupplungselemen- te (11) in Kupplungsstellung haltende Federn.4. Steering device according to one of claims 1 to 3, characterized by the movable coupling elements (11) in the coupling position holding springs.
5. Lenkvorrichtung nach Anspruch 4, dadurch gekenn¬ zeichnet, daß die Kupplungselemente (11) in Kupp- lungsstellung in den Bewegungsbereich der Speichen (10) ragende und mit diesen derart zusammenwirkende - ü -5. Steering device according to claim 4, characterized gekenn¬ characterized in that the coupling elements (11) in the coupling position in the range of motion of the spokes (10) projecting and interacting with them in this way - ü -
Auflaufflächen (21) aufweisen, daß bei Passieren einer Speiche (10) das jeweilige KupplungselementRun-up surfaces (21) have the respective coupling element when passing through a spoke (10)
(11) aus seiner Kupplungsstellung bewegt wird.(11) is moved from its coupling position.
6. Lenkvorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Kupplungselemen¬ te (11) von einer Kurvenbahn (16) eines Steuerteils6. Steering device according to one of claims 1 to 4, characterized in that the clutch elements (11) of a cam track (16) of a control part
(12) bewegbar sind.(12) are movable.
7. Lenkvorrichtung nach Anspruch 6, dadurch gekenn¬ zeichnet, daß die Kupplungselemente (11) formschlüs¬ sig mit der Kurvenbahn (16) des Steuerteils (12) gekuppelt .sind.7. Steering device according to claim 6, characterized gekenn¬ characterized in that the coupling elements (11) formschlüs¬ sig with the cam track (16) of the control part (12) are coupled.
8. Lenkvorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die beweglichen Kupp¬ lungselemente (11) im Pralltopf (2) angeordnet sind.8. Steering device according to one of claims 1 to 7, characterized in that the movable coupling elements (11) are arranged in the impact pot (2).
9. Lenkvorrichtung nach einem der Ansprüche 1 bis 7 , dadurch gekennzeichnet, daß die beweglichen Kupp¬ lungselemente Blattfedern sind.9. Steering device according to one of claims 1 to 7, characterized in that the movable coupling elements are leaf springs.
10. Lenkvorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Bedienungselemente (3) und Anzeigeinstrumente (4) drahtlos über eine im Pralltopf (2) angeordnete Sende- und Empfänger¬ elektronik (18) und über eine in Nähe des Pralltop¬ fes (2) fahrzeugfest angeordnete Sende- und Empfänger¬ elektronik (19) mit den elektrischen Verbrauchern und den Meßstellen verbunden sind.10. Steering device according to one of claims 1 to 9, characterized in that the operating elements (3) and display instruments (4) wirelessly via an in the baffle pot (2) arranged transmitting and Receiver electronics (18) and in the vicinity of the baffle top ¬ fixed (2) vehicle-mounted transmitter and receiver electronics (19) are connected to the electrical consumers and the measuring points.
iREÄCTiREÄCT
OMPI ' OMPI '
PCT/EP1979/000075 1978-09-27 1979-09-26 Steering mechanism having a shock proof central part for a motor vehicle WO1980000683A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR7908832A BR7908832A (en) 1978-09-27 1979-09-26 STEERING DEVICE WITH SHOCK BOX FOR MOTORIZED VEHICLES

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2842020A DE2842020C2 (en) 1978-09-27 1978-09-27 Steering device for motor vehicles with an impact pot
DE2842020 1978-09-27

Publications (1)

Publication Number Publication Date
WO1980000683A1 true WO1980000683A1 (en) 1980-04-17

Family

ID=6050589

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1979/000075 WO1980000683A1 (en) 1978-09-27 1979-09-26 Steering mechanism having a shock proof central part for a motor vehicle

Country Status (5)

Country Link
US (1) US4368454A (en)
EP (1) EP0009264B1 (en)
JP (1) JPS6218379B2 (en)
DE (2) DE2842020C2 (en)
WO (1) WO1980000683A1 (en)

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Also Published As

Publication number Publication date
JPS55500676A (en) 1980-09-18
DE2842020A1 (en) 1980-05-29
DE2964023D1 (en) 1982-12-16
EP0009264B1 (en) 1982-11-10
JPS6218379B2 (en) 1987-04-22
DE2842020C2 (en) 1986-03-13
EP0009264A1 (en) 1980-04-02
US4368454A (en) 1983-01-11

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